Design and implementation of an adaptive tuning system based on desired phase margin for digitally controlled DC-DC converters

IEEE Transactions on Power Electronics

Volumn 24, Issue 2, 2009, Pages 559-564

  Morroni, Jeffrey ^a   Zane, Regan ^a   Maksimović, Maksimović D ^a  

^a UCB 450   (United States)

Author keywords

Adaptive control; Dc dc power conversion; Digital control

Indexed keywords

ADAPTIVE CONTROL SYSTEMS; DIGITAL CONTROL SYSTEMS; ELECTRIC POWER MEASUREMENT; MIM DEVICES; MULTIPLEXING; REMOTE CONTROL; SYSTEM STABILITY; TUNING; UNCERTAIN SYSTEMS;

ADAPTIVE CONTROL; ADAPTIVE TUNING; COMPENSATOR PARAMETERS; CONTINUOUS MONITORING; CONTROL LOOPS; CROSS-OVER FREQUENCIES; DC - DC CONVERTERS; DC-DC POWER CONVERSION; DIGITAL COMPENSATORS; DIGITAL CONTROL; HARDWARE RESOURCES; MULTI INPUT MULTI OUTPUTS; OPERATING CONDITIONS; PHASE MARGINS; PULSE-WIDTH MODULATORS; SMALL-SIGNAL MODELS; SQUARE-WAVE SIGNALS; STABILITY MARGINS; SWITCHED-MODE POWER SUPPLIES; SYSTEM FUNCTIONALITIES;

SHAPE MEMORY EFFECT;

EID: 61549137403     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPEL.2008.2007641     Document Type: Article

References (17)

1. D. Maksimovic, R. Zane, and R. Erickson, "Impact of digital control in power electronics," in Proc. IEEE Int. Symp. Power Semicond. Devices ICs, May 2004, pp. 13-22.
2. J. Morroni, A. Dolgov, M. Shirazi, R. Zane, and D. Maksimovic, "Online health monitoring in digitally controlled power converters," in Proc. IEEE Power Electron. Spec. Conf., Jun. 2007, pp. 112-118.
3. B. Miao, R. Zane, and D. Maksimovic, "Automated digital controller design," in Proc. IEEE Appl. Power Electron. Conf., 2005, pp. 2729-2735.
4. M. Shirazi, L. Corradini, R. Zane, P. Mattavelli, and D. Maksimovic, "Autotuning techniques for digitally controlled point-of-load converters with wide range of capacitive loads," in Proc. IEEE Appl. Power Electron. Conf., Feb. 2007, pp. 14-20.
5. W. Stefanutti, P. Mattavelli, S. Saggini, and M. Ghioni, "Autotuning of digitally controlled buck converters based on relay feedback," IEEE Trans. Power Electron., vol. 22, no. 1, pp. 199-207, Jan. 2007.
6. Z. Zhao, Li. Huawei, A. Feizmohammadi, and A. Prodic, "Limit-cycle based auto-tuning system for digitally controlled low-power SMPS," in Proc. IEEE Appl. Power Electron. Conf., Mar. 2006, pp. 1143-1147.
7. L. Corradini, P. Mattavelli, and D. Maksimovic, "Robust relay-feedback based autotuning for DC-DC converters," in Proc. IEEE Power Electron. Spec. Conf., Jun. 2007, pp. 2196-2202.
8. L. Corradini, P. Mattavelli, W. Stefanutti, and S. Saggini, "Simplified model reference-based autotuning for digitally controlled SMPS," IEEE Trans. Power Electron., vol. 23, no. 4, pp. 1956-1963, Jul. 2008.
9. K. J. Astrom, "Adaptive feedback control," Proc. IEEE, vol. 75, no. 2, pp. 185-217, Feb. 1987.
10. K. J. Astrom and B. Wittenmark, "A survey of adaptive control applications," in Proc. IEEE Conf. Decis. Control, Dec. 1995, vol. 1, pp. 649-654.
11. G. H. M. de Arruda and P. R. Barros, "Relay based gain and phase margins PI controller design," in Proc. IEEE Instrum. Meas. Technol. Conf., 2001, pp. 1189-1194.
12. W. K. Ho, C. C. Hang, and J. H. Zhon, "Performance tuned gain and phase margins," IEEE Trans. Control Syst. Technol., vol. 4, no. 4, pp. 473-477, Jul. 1996.
13. A. Kelly and K. Rinne, "A self-compensating adaptive digital regulator for switching converters based on linear prediction," in Proc. IEEE Appl. Power Electron. Conf., Mar. 2006, pp. 712-718.
14. J. Morroni, R. Zane, and D. Maksimovic, "An online phase margin monitor for digitally controlled switched-mode power supplies," in Proc. IEEE Power Electron. Spec. Conf., Jun. 2008, pp. 859-865.
15. R. D. Middlebrook, "Measurement of loop gain in feedback systems," Int. J. Electron., vol. 38, no. 1, pp. 485-512, Apr. 1975.
16. J. M. Maciejowski, Multivariable Feedback Design. Reading, MA: Addison-Wesley, 1989.
17. D. Maksimovic and R. Zane, "Small-signal discrete-time modeling of digitally controlled DC-DC converters," IEEE Trans. Power Electron. Lett., vol. 22, no. 6, pp. 2552-2556, Nov. 2007.